Mali GPU User Interface Engine Application Development Guide

Tutorial on Drawing 3D Shapes}vec4(diffuse, 1.0) * COLOR +vec4(specular, 1.0);The per_fragment_lighting.vert vertex shader is listed in Example 4-22:Example 4-22 per_fragment_lighting.vertuniform mat4 WORLD_VIEW_PROJECTION;uniform mat3 WORLD;uniform vec3 LIGHT_POSITION;uniform vec3 CAMERA_POSITION;attribute vec4 POSITION;attribute vec3 NORMAL;varying vec3 vNormal;varying vec3 vLightVector;varying vec3 vCameraVector;void main(void){gl_Position = WORLD_VIEW_PROJECTION * POSITION;vec3 pos = WORLD * POSITION.xyz;}// No point in normalizing before the fragment shader as the normalization will// be offset by the interpolation anyway.vNormal = WORLD * NORMAL;vLightVector = LIGHT_POSITION - pos;vCameraVector = CAMERA_POSITION - pos;4. Previous examples specified the locations for each vertex. Example 4-23 shows how toload an asset file that contains the information:Example 4-23 Load the asset for the teapot......// Loading sceneSceneAsset* scene = proxy.getSceneAsset("teapot.mba");GeometryAsset* teapot = static_cast(scene->getAsset(Asset::TYPE_GEOMETRY, 0));Example 4-23 is loading a .mba file which enables mesh data to be compressed andconditioned. The COLLADA format source is also present in the data directory asteapot.dae. Using a GeometryAsset and the proxy loader simplifies loading complexshapes.5. Example 4-24 on page 4-19 shows the camera, projection, view, and world setup:ARM DUI 0527A-02a Copyright © 2010 ARM. All rights reserved. 4-18ID070710Non-Confidential - Draft - Beta